A lost passageway on the upper level of the most infamous dungeon in Faerûn has recently been uncovered. When a patron hires a band of adventurers to brave the dangers of Undermountain, a search is on to uncover secrets of an apprentice of the dungeon’s lost creator – Halaster.
"Undermountain: Halaster’s Lost Apprentice" is designed for five characters of 1st level and is the spring 2010 season of the D&D Encounters official play program.
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